TY - BOOK AU - Bansal Raj K TI - Heterocyclic chemistry SN - 8122412122 (hbd) U1 - E8, N9;4 PY - 1999/// CY - New Delhi PB - New Age Internaional (P) Limied Publishers KW - Chemistry KW - Heterocyclic chemistry KW - Hetrocyclic chemistry KW - Chemistry N1 - Includes bibliographical references; Index 479-494p ER -